Incommensurability of stripes in La_{2-x}Sr_xNiO_{4+y}
Abstract
An analytic expression for the incommensurability of static stripes in La_{2-x}Sr_xNiO_{4+y} is given, depending on the hole density n_h = x + 2y. Apart from geometry factors the formula is the same as for stripes in the related cuprates La_{2-x}Ae_xCuO_4 (Ae = Sr, Ba). Agreement with experimental data from neutron and X-ray diffraction is good. The stability of stripes is interpreted in terms of the separation of hole charges residing at every nu^{th} node of the associated magnetization waves.
- Publication:
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arXiv e-prints
- Pub Date:
- September 2017
- DOI:
- arXiv:
- arXiv:1709.04112
- Bibcode:
- 2017arXiv170904112B
- Keywords:
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- Physics - General Physics
- E-Print:
- 8 pages, 1 figure, 1 table